Home / 1,643,676.07-2,268,321.39-918,525.49

Finding the Fourth Proportional to 1,643,676.07, 2,268,321.39 and 918,525.49

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Solution

The fourth proportional to 1,643,676.07, 2,268,321.39 and 918,525.49 is: 1,267,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,676.07 : 2,268,321.39 = 918,525.49 : x
  2. Step 2: Convert to fraction form
    1,643,676.07/2,268,321.39 = 918,525.49/x
  3. Step 3: Cross multiply
    1,643,676.07x = 2,268,321.39 × 918,525.49
  4. Step 4: Simplify right side
    1,643,676.07x = 2,083,511,016,227.23
  5. Step 5: Solve for x
    x = 2,083,511,016,227.23/1,643,676.07
  6. Step 6: Final answer
    x = 1,267,592.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.